Merge branch 'conan-version-readme' into 'master'

update conan version to 1.57 and include Release in build type during cmake, in the readme file

See merge request !504

README.md

@@ -82,7 +82,7 @@ If you do not have Conan installed, it can be
 installed with:
 
 ``` shell
-pip install --user conan~=1.55.0
+pip install --user conan~=1.57.0
 ```
 
 ### Compiling
@@ -94,7 +94,7 @@ git clone --recursive git@gitlab.iap.kit.edu:AirShowerPhysics/corsika.git
 mkdir corsika-build
 cd corsika-build
 ../corsika/conan-install.sh
-cmake ../corsika -DCMAKE_INSTALL_PREFIX=../corsika-install
+cmake ../corsika -DCMAKE_BUILD_TYPE="RelWithDebInfo" -DCMAKE_INSTALL_PREFIX=../corsika-install
 make -j8
 make install
 ```

README.rst

@@ -86,7 +86,7 @@ If you do not have Conan installed, it can be
 installed with:
 ::
 
-  pip install --user conan~=1.55.0
+  pip install --user conan~=1.57.0
 
   
 Compiling
@@ -99,7 +99,7 @@ Once Conan is installed, follow these steps to download and install CORSIKA 8:
   mkdir corsika-build
   cd corsika-build
   ../corsika/conan-install.sh
-  cmake ../corsika -DCMAKE_INSTALL_PREFIX=../corsika-install
+  cmake ../corsika -DCMAKE_BUILD_TYPE="RelWithDebInfo" -DCMAKE_INSTALL_PREFIX=../corsika-install
   make -j8
   make install